Famotidine and Tequin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Famotidine (famotidine) and Tequin (gatifloxacin). Common drug interactions include osteolysis among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Famotidine and Tequin. It is created by eHealthMe based on reports of 42 people who take the same drugs from the FDA, and is updated regularly.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 83,421 Famotidine users. Check the latest studies of Famotidine.

What is Tequin?

Tequin has active ingredients of gatifloxacin. eHealthMe is studying from 4,645 Tequin users. Check the latest studies of Tequin.

On Jul, 16, 2026

42 people who take Famotidine and Tequin together, and have interactions are studied.

Famotidine and Tequin drug interactions.

What are the common drug interactions of Famotidine and Tequin, by gender? *:

female:

Osteolysis (dissolution of bone)
Osteoma (a new piece of bone usually growing on another piece of bone, typically the skull. it is a benign tumour)
Osteopenia (a condition where bone mineral density is lower than normal)
Pain in jaw
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Peripheral coldness
Pneumonia
Primary sequestrum (piece of dead bone that has become separated during the process of necrosis from normal/sound bone)
Protein urine
Renal failure chronic (long lasting kidney dysfunction)

male:

Chronic kidney disease
Renal disorder (kidney disease)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Deep venous thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Dehydration (dryness resulting from the removal of water)
Dysphagia (a condition in which swallowing is difficult or painful)
Fatigue (feeling of tiredness)
Mucosal inflammation (infection of mucous membrane)
Neck pain
Oesophagitis (inflammation of oesophagus)

What are the common drug interactions of Famotidine and Tequin, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Chronic kidney disease
Depression
Headache (pain in head)
Nausea (feeling of having an urge to vomit)
Abdominal pain upper
Anaemia vitamin b12 deficiency
Angina pectoris (chest pain due to ischemia of the heart muscle)
Angina unstable (chest pain due to ischemia of the heart muscle- unstable)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Arthropathy

50-59:

Mucosal inflammation (infection of mucous membrane)
Nausea (feeling of having an urge to vomit)
Neck pain
Oesophagitis (inflammation of oesophagus)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Personality change
Vomiting
Weight decreased
Abnormal behaviour
Anxiety

60+:

Blood lactate dehydrogenase increased
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Pain in extremity
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Pneumonia
Renal cyst (kidney cyst)
Spinal osteoarthritis (joint cartilage loss in spine)
Anaemia (lack of blood)
Azotaemia (excess of urea or other nitrogenous compounds in the blood)
Blood creatinine increased

What are the existing conditions these people have? *

High Blood Pressure: 14 people, 33.33%
Pain: 11 people, 26.19%
High Blood Cholesterol: 10 people, 23.81%
Depression: 10 people, 23.81%
Rickets (softening of bones): 9 people, 21.43%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 9 people, 21.43%
Infection: 9 people, 21.43%
Stress And Anxiety: 8 people, 19.05%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 8 people, 19.05%
Diabetes: 7 people, 16.67%

* Approximation only. Some reports may have incomplete information.

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